Home / 6,430.68-9,630.44-4,450.76

Finding the Fourth Proportional to 6,430.68, 9,630.44 and 4,450.76

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Solution

The fourth proportional to 6,430.68, 9,630.44 and 4,450.76 is: 6,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.68 : 9,630.44 = 4,450.76 : x
  2. Step 2: Convert to fraction form
    6,430.68/9,630.44 = 4,450.76/x
  3. Step 3: Cross multiply
    6,430.68x = 9,630.44 × 4,450.76
  4. Step 4: Simplify right side
    6,430.68x = 42,862,728.98
  5. Step 5: Solve for x
    x = 42,862,728.98/6,430.68
  6. Step 6: Final answer
    x = 6,665.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.